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Finding the Fourth Proportional to 6,472.17, 8,928.21 and 4,897.53

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Solution

The fourth proportional to 6,472.17, 8,928.21 and 4,897.53 is: 6,756.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,472.17 : 8,928.21 = 4,897.53 : x
  2. Step 2: Convert to fraction form
    6,472.17/8,928.21 = 4,897.53/x
  3. Step 3: Cross multiply
    6,472.17x = 8,928.21 × 4,897.53
  4. Step 4: Simplify right side
    6,472.17x = 43,726,176.32
  5. Step 5: Solve for x
    x = 43,726,176.32/6,472.17
  6. Step 6: Final answer
    x = 6,756.03

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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.