Home / 7,547.16-11,321.10-3,164.76

Finding the Fourth Proportional to 7,547.16, 11,321.10 and 3,164.76

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Solution

The fourth proportional to 7,547.16, 11,321.10 and 3,164.76 is: 4,747.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,547.16 : 11,321.10 = 3,164.76 : x
  2. Step 2: Convert to fraction form
    7,547.16/11,321.10 = 3,164.76/x
  3. Step 3: Cross multiply
    7,547.16x = 11,321.10 × 3,164.76
  4. Step 4: Simplify right side
    7,547.16x = 35,828,564.44
  5. Step 5: Solve for x
    x = 35,828,564.44/7,547.16
  6. Step 6: Final answer
    x = 4,747.29

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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.