Home / 7,232.20-9,980.58-4,088.36

Finding the Fourth Proportional to 7,232.20, 9,980.58 and 4,088.36

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Solution

The fourth proportional to 7,232.20, 9,980.58 and 4,088.36 is: 5,642.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,232.20 : 9,980.58 = 4,088.36 : x
  2. Step 2: Convert to fraction form
    7,232.20/9,980.58 = 4,088.36/x
  3. Step 3: Cross multiply
    7,232.20x = 9,980.58 × 4,088.36
  4. Step 4: Simplify right side
    7,232.20x = 40,804,204.05
  5. Step 5: Solve for x
    x = 40,804,204.05/7,232.20
  6. Step 6: Final answer
    x = 5,642.02

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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.