Home / 5,318.16-7,339.32-3,079.64

Finding the Fourth Proportional to 5,318.16, 7,339.32 and 3,079.64

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Solution

The fourth proportional to 5,318.16, 7,339.32 and 3,079.64 is: 4,250.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.16 : 7,339.32 = 3,079.64 : x
  2. Step 2: Convert to fraction form
    5,318.16/7,339.32 = 3,079.64/x
  3. Step 3: Cross multiply
    5,318.16x = 7,339.32 × 3,079.64
  4. Step 4: Simplify right side
    5,318.16x = 22,602,426.75
  5. Step 5: Solve for x
    x = 22,602,426.75/5,318.16
  6. Step 6: Final answer
    x = 4,250.05

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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.