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Finding the Fourth Proportional to 7,482.66, 10,329.57 and 4,338.24

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Solution

The fourth proportional to 7,482.66, 10,329.57 and 4,338.24 is: 5,988.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,482.66 : 10,329.57 = 4,338.24 : x
  2. Step 2: Convert to fraction form
    7,482.66/10,329.57 = 4,338.24/x
  3. Step 3: Cross multiply
    7,482.66x = 10,329.57 × 4,338.24
  4. Step 4: Simplify right side
    7,482.66x = 44,812,153.76
  5. Step 5: Solve for x
    x = 44,812,153.76/7,482.66
  6. Step 6: Final answer
    x = 5,988.80

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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.