Home / 9,135.04-12,606.40-4,943.30

Finding the Fourth Proportional to 9,135.04, 12,606.40 and 4,943.30

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Solution

The fourth proportional to 9,135.04, 12,606.40 and 4,943.30 is: 6,821.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,135.04 : 12,606.40 = 4,943.30 : x
  2. Step 2: Convert to fraction form
    9,135.04/12,606.40 = 4,943.30/x
  3. Step 3: Cross multiply
    9,135.04x = 12,606.40 × 4,943.30
  4. Step 4: Simplify right side
    9,135.04x = 62,317,217.12
  5. Step 5: Solve for x
    x = 62,317,217.12/9,135.04
  6. Step 6: Final answer
    x = 6,821.78

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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.