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Finding the Fourth Proportional to 5,307.48, 7,324.02 and 2,949.48

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Solution

The fourth proportional to 5,307.48, 7,324.02 and 2,949.48 is: 4,070.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,307.48 : 7,324.02 = 2,949.48 : x
  2. Step 2: Convert to fraction form
    5,307.48/7,324.02 = 2,949.48/x
  3. Step 3: Cross multiply
    5,307.48x = 7,324.02 × 2,949.48
  4. Step 4: Simplify right side
    5,307.48x = 21,602,050.51
  5. Step 5: Solve for x
    x = 21,602,050.51/5,307.48
  6. Step 6: Final answer
    x = 4,070.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.