Home / 7,905.08-10,909.32-4,547.90

Finding the Fourth Proportional to 7,905.08, 10,909.32 and 4,547.90

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Solution

The fourth proportional to 7,905.08, 10,909.32 and 4,547.90 is: 6,276.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,905.08 : 10,909.32 = 4,547.90 : x
  2. Step 2: Convert to fraction form
    7,905.08/10,909.32 = 4,547.90/x
  3. Step 3: Cross multiply
    7,905.08x = 10,909.32 × 4,547.90
  4. Step 4: Simplify right side
    7,905.08x = 49,614,441.88
  5. Step 5: Solve for x
    x = 49,614,441.88/7,905.08
  6. Step 6: Final answer
    x = 6,276.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.