Home / 5,615.90-8,417.29-4,224.76

Finding the Fourth Proportional to 5,615.90, 8,417.29 and 4,224.76

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Solution

The fourth proportional to 5,615.90, 8,417.29 and 4,224.76 is: 6,332.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,615.90 : 8,417.29 = 4,224.76 : x
  2. Step 2: Convert to fraction form
    5,615.90/8,417.29 = 4,224.76/x
  3. Step 3: Cross multiply
    5,615.90x = 8,417.29 × 4,224.76
  4. Step 4: Simplify right side
    5,615.90x = 35,560,988.01
  5. Step 5: Solve for x
    x = 35,560,988.01/5,615.90
  6. Step 6: Final answer
    x = 6,332.20

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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.