Home / 7,521.12-11,268.84-5,326.20

Finding the Fourth Proportional to 7,521.12, 11,268.84 and 5,326.20

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Solution

The fourth proportional to 7,521.12, 11,268.84 and 5,326.20 is: 7,980.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,521.12 : 11,268.84 = 5,326.20 : x
  2. Step 2: Convert to fraction form
    7,521.12/11,268.84 = 5,326.20/x
  3. Step 3: Cross multiply
    7,521.12x = 11,268.84 × 5,326.20
  4. Step 4: Simplify right side
    7,521.12x = 60,020,095.61
  5. Step 5: Solve for x
    x = 60,020,095.61/7,521.12
  6. Step 6: Final answer
    x = 7,980.21

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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.