Home / 10,527.34-15,785.20-4,285.75

Finding the Fourth Proportional to 10,527.34, 15,785.20 and 4,285.75

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Solution

The fourth proportional to 10,527.34, 15,785.20 and 4,285.75 is: 6,426.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,527.34 : 15,785.20 = 4,285.75 : x
  2. Step 2: Convert to fraction form
    10,527.34/15,785.20 = 4,285.75/x
  3. Step 3: Cross multiply
    10,527.34x = 15,785.20 × 4,285.75
  4. Step 4: Simplify right side
    10,527.34x = 67,651,420.90
  5. Step 5: Solve for x
    x = 67,651,420.90/10,527.34
  6. Step 6: Final answer
    x = 6,426.26

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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.