Home / 5,270.10-7,904.40-1,572.18

Finding the Fourth Proportional to 5,270.10, 7,904.40 and 1,572.18

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Solution

The fourth proportional to 5,270.10, 7,904.40 and 1,572.18 is: 2,358.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,270.10 : 7,904.40 = 1,572.18 : x
  2. Step 2: Convert to fraction form
    5,270.10/7,904.40 = 1,572.18/x
  3. Step 3: Cross multiply
    5,270.10x = 7,904.40 × 1,572.18
  4. Step 4: Simplify right side
    5,270.10x = 12,427,139.59
  5. Step 5: Solve for x
    x = 12,427,139.59/5,270.10
  6. Step 6: Final answer
    x = 2,358.05

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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.