Home / 4,702.02-6,488.10-2,712.21

Finding the Fourth Proportional to 4,702.02, 6,488.10 and 2,712.21

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Solution

The fourth proportional to 4,702.02, 6,488.10 and 2,712.21 is: 3,742.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,702.02 : 6,488.10 = 2,712.21 : x
  2. Step 2: Convert to fraction form
    4,702.02/6,488.10 = 2,712.21/x
  3. Step 3: Cross multiply
    4,702.02x = 6,488.10 × 2,712.21
  4. Step 4: Simplify right side
    4,702.02x = 17,597,089.70
  5. Step 5: Solve for x
    x = 17,597,089.70/4,702.02
  6. Step 6: Final answer
    x = 3,742.45

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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.