Home / 7,217.10-9,937.40-6,152.49

Finding the Fourth Proportional to 7,217.10, 9,937.40 and 6,152.49

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Solution

The fourth proportional to 7,217.10, 9,937.40 and 6,152.49 is: 8,471.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,217.10 : 9,937.40 = 6,152.49 : x
  2. Step 2: Convert to fraction form
    7,217.10/9,937.40 = 6,152.49/x
  3. Step 3: Cross multiply
    7,217.10x = 9,937.40 × 6,152.49
  4. Step 4: Simplify right side
    7,217.10x = 61,139,723.36
  5. Step 5: Solve for x
    x = 61,139,723.36/7,217.10
  6. Step 6: Final answer
    x = 8,471.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.