Home / 7,587.12-10,470.76-4,230.16

Finding the Fourth Proportional to 7,587.12, 10,470.76 and 4,230.16

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Solution

The fourth proportional to 7,587.12, 10,470.76 and 4,230.16 is: 5,837.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,587.12 : 10,470.76 = 4,230.16 : x
  2. Step 2: Convert to fraction form
    7,587.12/10,470.76 = 4,230.16/x
  3. Step 3: Cross multiply
    7,587.12x = 10,470.76 × 4,230.16
  4. Step 4: Simplify right side
    7,587.12x = 44,292,990.12
  5. Step 5: Solve for x
    x = 44,292,990.12/7,587.12
  6. Step 6: Final answer
    x = 5,837.92

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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.