Home / 6,308.10-8,702.28-4,070.70

Finding the Fourth Proportional to 6,308.10, 8,702.28 and 4,070.70

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Solution

The fourth proportional to 6,308.10, 8,702.28 and 4,070.70 is: 5,615.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,308.10 : 8,702.28 = 4,070.70 : x
  2. Step 2: Convert to fraction form
    6,308.10/8,702.28 = 4,070.70/x
  3. Step 3: Cross multiply
    6,308.10x = 8,702.28 × 4,070.70
  4. Step 4: Simplify right side
    6,308.10x = 35,424,371.20
  5. Step 5: Solve for x
    x = 35,424,371.20/6,308.10
  6. Step 6: Final answer
    x = 5,615.70

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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.