Home / 5,124.10-7,686.15-5,051.20

Finding the Fourth Proportional to 5,124.10, 7,686.15 and 5,051.20

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Solution

The fourth proportional to 5,124.10, 7,686.15 and 5,051.20 is: 7,576.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,124.10 : 7,686.15 = 5,051.20 : x
  2. Step 2: Convert to fraction form
    5,124.10/7,686.15 = 5,051.20/x
  3. Step 3: Cross multiply
    5,124.10x = 7,686.15 × 5,051.20
  4. Step 4: Simplify right side
    5,124.10x = 38,824,280.88
  5. Step 5: Solve for x
    x = 38,824,280.88/5,124.10
  6. Step 6: Final answer
    x = 7,576.80

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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.