Home / 7,124.19-10,686.29-4,519.23

Finding the Fourth Proportional to 7,124.19, 10,686.29 and 4,519.23

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Solution

The fourth proportional to 7,124.19, 10,686.29 and 4,519.23 is: 6,778.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,124.19 : 10,686.29 = 4,519.23 : x
  2. Step 2: Convert to fraction form
    7,124.19/10,686.29 = 4,519.23/x
  3. Step 3: Cross multiply
    7,124.19x = 10,686.29 × 4,519.23
  4. Step 4: Simplify right side
    7,124.19x = 48,293,779.76
  5. Step 5: Solve for x
    x = 48,293,779.76/7,124.19
  6. Step 6: Final answer
    x = 6,778.85

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.