Home / 10,528.11-15,785.62-4,280.58

Finding the Fourth Proportional to 10,528.11, 15,785.62 and 4,280.58

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Solution

The fourth proportional to 10,528.11, 15,785.62 and 4,280.58 is: 6,418.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,528.11 : 15,785.62 = 4,280.58 : x
  2. Step 2: Convert to fraction form
    10,528.11/15,785.62 = 4,280.58/x
  3. Step 3: Cross multiply
    10,528.11x = 15,785.62 × 4,280.58
  4. Step 4: Simplify right side
    10,528.11x = 67,571,598.56
  5. Step 5: Solve for x
    x = 67,571,598.56/10,528.11
  6. Step 6: Final answer
    x = 6,418.21

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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.