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Finding the Fourth Proportional to 6,284.60, 9,426.90 and 6,187.40

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Solution

The fourth proportional to 6,284.60, 9,426.90 and 6,187.40 is: 9,281.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,284.60 : 9,426.90 = 6,187.40 : x
  2. Step 2: Convert to fraction form
    6,284.60/9,426.90 = 6,187.40/x
  3. Step 3: Cross multiply
    6,284.60x = 9,426.90 × 6,187.40
  4. Step 4: Simplify right side
    6,284.60x = 58,328,001.06
  5. Step 5: Solve for x
    x = 58,328,001.06/6,284.60
  6. Step 6: Final answer
    x = 9,281.10

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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.