Home / 5,113.07-7,669.63-1,555.23

Finding the Fourth Proportional to 5,113.07, 7,669.63 and 1,555.23

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Solution

The fourth proportional to 5,113.07, 7,669.63 and 1,555.23 is: 2,332.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113.07 : 7,669.63 = 1,555.23 : x
  2. Step 2: Convert to fraction form
    5,113.07/7,669.63 = 1,555.23/x
  3. Step 3: Cross multiply
    5,113.07x = 7,669.63 × 1,555.23
  4. Step 4: Simplify right side
    5,113.07x = 11,928,026.23
  5. Step 5: Solve for x
    x = 11,928,026.23/5,113.07
  6. Step 6: Final answer
    x = 2,332.85

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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.