Home / 5,276.95-7,275.57-3,385.19

Finding the Fourth Proportional to 5,276.95, 7,275.57 and 3,385.19

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Solution

The fourth proportional to 5,276.95, 7,275.57 and 3,385.19 is: 4,667.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.95 : 7,275.57 = 3,385.19 : x
  2. Step 2: Convert to fraction form
    5,276.95/7,275.57 = 3,385.19/x
  3. Step 3: Cross multiply
    5,276.95x = 7,275.57 × 3,385.19
  4. Step 4: Simplify right side
    5,276.95x = 24,629,211.34
  5. Step 5: Solve for x
    x = 24,629,211.34/5,276.95
  6. Step 6: Final answer
    x = 4,667.32

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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.