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Finding the Fourth Proportional to 6,488.24, 8,936.28 and 5,602.50

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Solution

The fourth proportional to 6,488.24, 8,936.28 and 5,602.50 is: 7,716.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,488.24 : 8,936.28 = 5,602.50 : x
  2. Step 2: Convert to fraction form
    6,488.24/8,936.28 = 5,602.50/x
  3. Step 3: Cross multiply
    6,488.24x = 8,936.28 × 5,602.50
  4. Step 4: Simplify right side
    6,488.24x = 50,065,508.70
  5. Step 5: Solve for x
    x = 50,065,508.70/6,488.24
  6. Step 6: Final answer
    x = 7,716.35

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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.