Home / 5,031.12-7,535.75-2,428.59

Finding the Fourth Proportional to 5,031.12, 7,535.75 and 2,428.59

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Solution

The fourth proportional to 5,031.12, 7,535.75 and 2,428.59 is: 3,637.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,031.12 : 7,535.75 = 2,428.59 : x
  2. Step 2: Convert to fraction form
    5,031.12/7,535.75 = 2,428.59/x
  3. Step 3: Cross multiply
    5,031.12x = 7,535.75 × 2,428.59
  4. Step 4: Simplify right side
    5,031.12x = 18,301,263.21
  5. Step 5: Solve for x
    x = 18,301,263.21/5,031.12
  6. Step 6: Final answer
    x = 3,637.61

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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.