Home / 5,378.29-7,415.61-4,630.96

Finding the Fourth Proportional to 5,378.29, 7,415.61 and 4,630.96

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Solution

The fourth proportional to 5,378.29, 7,415.61 and 4,630.96 is: 6,385.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,378.29 : 7,415.61 = 4,630.96 : x
  2. Step 2: Convert to fraction form
    5,378.29/7,415.61 = 4,630.96/x
  3. Step 3: Cross multiply
    5,378.29x = 7,415.61 × 4,630.96
  4. Step 4: Simplify right side
    5,378.29x = 34,341,393.29
  5. Step 5: Solve for x
    x = 34,341,393.29/5,378.29
  6. Step 6: Final answer
    x = 6,385.19

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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.