Home / 7,345.24-11,021.64-4,881.76

Finding the Fourth Proportional to 7,345.24, 11,021.64 and 4,881.76

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Solution

The fourth proportional to 7,345.24, 11,021.64 and 4,881.76 is: 7,325.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345.24 : 11,021.64 = 4,881.76 : x
  2. Step 2: Convert to fraction form
    7,345.24/11,021.64 = 4,881.76/x
  3. Step 3: Cross multiply
    7,345.24x = 11,021.64 × 4,881.76
  4. Step 4: Simplify right side
    7,345.24x = 53,805,001.29
  5. Step 5: Solve for x
    x = 53,805,001.29/7,345.24
  6. Step 6: Final answer
    x = 7,325.15

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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.