Home / 7,946.10-10,971.45-5,591.43

Finding the Fourth Proportional to 7,946.10, 10,971.45 and 5,591.43

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Solution

The fourth proportional to 7,946.10, 10,971.45 and 5,591.43 is: 7,720.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,946.10 : 10,971.45 = 5,591.43 : x
  2. Step 2: Convert to fraction form
    7,946.10/10,971.45 = 5,591.43/x
  3. Step 3: Cross multiply
    7,946.10x = 10,971.45 × 5,591.43
  4. Step 4: Simplify right side
    7,946.10x = 61,346,094.67
  5. Step 5: Solve for x
    x = 61,346,094.67/7,946.10
  6. Step 6: Final answer
    x = 7,720.28

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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.