Home / 4,612.17-6,916.88-1,689.78

Finding the Fourth Proportional to 4,612.17, 6,916.88 and 1,689.78

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Solution

The fourth proportional to 4,612.17, 6,916.88 and 1,689.78 is: 2,534.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,612.17 : 6,916.88 = 1,689.78 : x
  2. Step 2: Convert to fraction form
    4,612.17/6,916.88 = 1,689.78/x
  3. Step 3: Cross multiply
    4,612.17x = 6,916.88 × 1,689.78
  4. Step 4: Simplify right side
    4,612.17x = 11,688,005.49
  5. Step 5: Solve for x
    x = 11,688,005.49/4,612.17
  6. Step 6: Final answer
    x = 2,534.17

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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.