Home / 7,521.12-11,281.76-2,904.16

Finding the Fourth Proportional to 7,521.12, 11,281.76 and 2,904.16

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Solution

The fourth proportional to 7,521.12, 11,281.76 and 2,904.16 is: 4,356.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,521.12 : 11,281.76 = 2,904.16 : x
  2. Step 2: Convert to fraction form
    7,521.12/11,281.76 = 2,904.16/x
  3. Step 3: Cross multiply
    7,521.12x = 11,281.76 × 2,904.16
  4. Step 4: Simplify right side
    7,521.12x = 32,764,036.12
  5. Step 5: Solve for x
    x = 32,764,036.12/7,521.12
  6. Step 6: Final answer
    x = 4,356.27

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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.