Home / 7,547.20-11,331.60-4,266.70

Finding the Fourth Proportional to 7,547.20, 11,331.60 and 4,266.70

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Solution

The fourth proportional to 7,547.20, 11,331.60 and 4,266.70 is: 6,406.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,547.20 : 11,331.60 = 4,266.70 : x
  2. Step 2: Convert to fraction form
    7,547.20/11,331.60 = 4,266.70/x
  3. Step 3: Cross multiply
    7,547.20x = 11,331.60 × 4,266.70
  4. Step 4: Simplify right side
    7,547.20x = 48,348,537.72
  5. Step 5: Solve for x
    x = 48,348,537.72/7,547.20
  6. Step 6: Final answer
    x = 6,406.16

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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.