Home / 4,937.18-6,813.38-2,947.91

Finding the Fourth Proportional to 4,937.18, 6,813.38 and 2,947.91

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Solution

The fourth proportional to 4,937.18, 6,813.38 and 2,947.91 is: 4,068.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,937.18 : 6,813.38 = 2,947.91 : x
  2. Step 2: Convert to fraction form
    4,937.18/6,813.38 = 2,947.91/x
  3. Step 3: Cross multiply
    4,937.18x = 6,813.38 × 2,947.91
  4. Step 4: Simplify right side
    4,937.18x = 20,085,204.34
  5. Step 5: Solve for x
    x = 20,085,204.34/4,937.18
  6. Step 6: Final answer
    x = 4,068.16

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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.