Home / 10,535.08-15,798.22-4,290.86

Finding the Fourth Proportional to 10,535.08, 15,798.22 and 4,290.86

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Solution

The fourth proportional to 10,535.08, 15,798.22 and 4,290.86 is: 6,434.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,535.08 : 15,798.22 = 4,290.86 : x
  2. Step 2: Convert to fraction form
    10,535.08/15,798.22 = 4,290.86/x
  3. Step 3: Cross multiply
    10,535.08x = 15,798.22 × 4,290.86
  4. Step 4: Simplify right side
    10,535.08x = 67,787,914.31
  5. Step 5: Solve for x
    x = 67,787,914.31/10,535.08
  6. Step 6: Final answer
    x = 6,434.49

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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.