Home / 7,080.16-10,613.44-4,002.40

Finding the Fourth Proportional to 7,080.16, 10,613.44 and 4,002.40

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Solution

The fourth proportional to 7,080.16, 10,613.44 and 4,002.40 is: 5,999.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,080.16 : 10,613.44 = 4,002.40 : x
  2. Step 2: Convert to fraction form
    7,080.16/10,613.44 = 4,002.40/x
  3. Step 3: Cross multiply
    7,080.16x = 10,613.44 × 4,002.40
  4. Step 4: Simplify right side
    7,080.16x = 42,479,232.26
  5. Step 5: Solve for x
    x = 42,479,232.26/7,080.16
  6. Step 6: Final answer
    x = 5,999.76

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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.