Home / 7,585.05-11,373.28-3,140.20

Finding the Fourth Proportional to 7,585.05, 11,373.28 and 3,140.20

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Solution

The fourth proportional to 7,585.05, 11,373.28 and 3,140.20 is: 4,708.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,585.05 : 11,373.28 = 3,140.20 : x
  2. Step 2: Convert to fraction form
    7,585.05/11,373.28 = 3,140.20/x
  3. Step 3: Cross multiply
    7,585.05x = 11,373.28 × 3,140.20
  4. Step 4: Simplify right side
    7,585.05x = 35,714,373.86
  5. Step 5: Solve for x
    x = 35,714,373.86/7,585.05
  6. Step 6: Final answer
    x = 4,708.52

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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.