Home / 7,478.28-10,318.86-4,333.86

Finding the Fourth Proportional to 7,478.28, 10,318.86 and 4,333.86

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Solution

The fourth proportional to 7,478.28, 10,318.86 and 4,333.86 is: 5,980.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,478.28 : 10,318.86 = 4,333.86 : x
  2. Step 2: Convert to fraction form
    7,478.28/10,318.86 = 4,333.86/x
  3. Step 3: Cross multiply
    7,478.28x = 10,318.86 × 4,333.86
  4. Step 4: Simplify right side
    7,478.28x = 44,720,494.60
  5. Step 5: Solve for x
    x = 44,720,494.60/7,478.28
  6. Step 6: Final answer
    x = 5,980.05

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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.