Home / 4,702.57-6,489.54-2,578.10

Finding the Fourth Proportional to 4,702.57, 6,489.54 and 2,578.10

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Solution

The fourth proportional to 4,702.57, 6,489.54 and 2,578.10 is: 3,557.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,702.57 : 6,489.54 = 2,578.10 : x
  2. Step 2: Convert to fraction form
    4,702.57/6,489.54 = 2,578.10/x
  3. Step 3: Cross multiply
    4,702.57x = 6,489.54 × 2,578.10
  4. Step 4: Simplify right side
    4,702.57x = 16,730,683.07
  5. Step 5: Solve for x
    x = 16,730,683.07/4,702.57
  6. Step 6: Final answer
    x = 3,557.77

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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.