Home / 9,479.12-13,077.96-5,752.40

Finding the Fourth Proportional to 9,479.12, 13,077.96 and 5,752.40

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Solution

The fourth proportional to 9,479.12, 13,077.96 and 5,752.40 is: 7,936.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,479.12 : 13,077.96 = 5,752.40 : x
  2. Step 2: Convert to fraction form
    9,479.12/13,077.96 = 5,752.40/x
  3. Step 3: Cross multiply
    9,479.12x = 13,077.96 × 5,752.40
  4. Step 4: Simplify right side
    9,479.12x = 75,229,657.10
  5. Step 5: Solve for x
    x = 75,229,657.10/9,479.12
  6. Step 6: Final answer
    x = 7,936.35

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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.