Home / 5,264.46-7,898.90-1,977.12

Finding the Fourth Proportional to 5,264.46, 7,898.90 and 1,977.12

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Solution

The fourth proportional to 5,264.46, 7,898.90 and 1,977.12 is: 2,966.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,264.46 : 7,898.90 = 1,977.12 : x
  2. Step 2: Convert to fraction form
    5,264.46/7,898.90 = 1,977.12/x
  3. Step 3: Cross multiply
    5,264.46x = 7,898.90 × 1,977.12
  4. Step 4: Simplify right side
    5,264.46x = 15,617,063.28
  5. Step 5: Solve for x
    x = 15,617,063.28/5,264.46
  6. Step 6: Final answer
    x = 2,966.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.