Home / 7,007.04-10,487.88-5,157.76

Finding the Fourth Proportional to 7,007.04, 10,487.88 and 5,157.76

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Solution

The fourth proportional to 7,007.04, 10,487.88 and 5,157.76 is: 7,719.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,007.04 : 10,487.88 = 5,157.76 : x
  2. Step 2: Convert to fraction form
    7,007.04/10,487.88 = 5,157.76/x
  3. Step 3: Cross multiply
    7,007.04x = 10,487.88 × 5,157.76
  4. Step 4: Simplify right side
    7,007.04x = 54,093,967.95
  5. Step 5: Solve for x
    x = 54,093,967.95/7,007.04
  6. Step 6: Final answer
    x = 7,719.95

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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.