Home / 6,412.08-9,615.24-3,125.04

Finding the Fourth Proportional to 6,412.08, 9,615.24 and 3,125.04

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Solution

The fourth proportional to 6,412.08, 9,615.24 and 3,125.04 is: 4,686.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,412.08 : 9,615.24 = 3,125.04 : x
  2. Step 2: Convert to fraction form
    6,412.08/9,615.24 = 3,125.04/x
  3. Step 3: Cross multiply
    6,412.08x = 9,615.24 × 3,125.04
  4. Step 4: Simplify right side
    6,412.08x = 30,048,009.61
  5. Step 5: Solve for x
    x = 30,048,009.61/6,412.08
  6. Step 6: Final answer
    x = 4,686.16

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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.