Home / 5,005.76-7,501.36-3,547.76

Finding the Fourth Proportional to 5,005.76, 7,501.36 and 3,547.76

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Solution

The fourth proportional to 5,005.76, 7,501.36 and 3,547.76 is: 5,316.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,005.76 : 7,501.36 = 3,547.76 : x
  2. Step 2: Convert to fraction form
    5,005.76/7,501.36 = 3,547.76/x
  3. Step 3: Cross multiply
    5,005.76x = 7,501.36 × 3,547.76
  4. Step 4: Simplify right side
    5,005.76x = 26,613,024.95
  5. Step 5: Solve for x
    x = 26,613,024.95/5,005.76
  6. Step 6: Final answer
    x = 5,316.48

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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.