Home / 7,360.59-10,155.56-6,991.23

Finding the Fourth Proportional to 7,360.59, 10,155.56 and 6,991.23

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Solution

The fourth proportional to 7,360.59, 10,155.56 and 6,991.23 is: 9,645.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,360.59 : 10,155.56 = 6,991.23 : x
  2. Step 2: Convert to fraction form
    7,360.59/10,155.56 = 6,991.23/x
  3. Step 3: Cross multiply
    7,360.59x = 10,155.56 × 6,991.23
  4. Step 4: Simplify right side
    7,360.59x = 70,999,820.78
  5. Step 5: Solve for x
    x = 70,999,820.78/7,360.59
  6. Step 6: Final answer
    x = 9,645.94

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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.