Home / 8,399.30-12,574.65-6,328.04

Finding the Fourth Proportional to 8,399.30, 12,574.65 and 6,328.04

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Solution

The fourth proportional to 8,399.30, 12,574.65 and 6,328.04 is: 9,473.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,399.30 : 12,574.65 = 6,328.04 : x
  2. Step 2: Convert to fraction form
    8,399.30/12,574.65 = 6,328.04/x
  3. Step 3: Cross multiply
    8,399.30x = 12,574.65 × 6,328.04
  4. Step 4: Simplify right side
    8,399.30x = 79,572,888.19
  5. Step 5: Solve for x
    x = 79,572,888.19/8,399.30
  6. Step 6: Final answer
    x = 9,473.75

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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.