Home / 6,308.16-8,700.60-4,629

Finding the Fourth Proportional to 6,308.16, 8,700.60 and 4,629

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Solution

The fourth proportional to 6,308.16, 8,700.60 and 4,629 is: 6,384.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,308.16 : 8,700.60 = 4,629 : x
  2. Step 2: Convert to fraction form
    6,308.16/8,700.60 = 4,629/x
  3. Step 3: Cross multiply
    6,308.16x = 8,700.60 × 4,629
  4. Step 4: Simplify right side
    6,308.16x = 40,275,077.40
  5. Step 5: Solve for x
    x = 40,275,077.40/6,308.16
  6. Step 6: Final answer
    x = 6,384.60

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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.