Home / 7,521.64-11,275.37-2,587.83

Finding the Fourth Proportional to 7,521.64, 11,275.37 and 2,587.83

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Solution

The fourth proportional to 7,521.64, 11,275.37 and 2,587.83 is: 3,879.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,521.64 : 11,275.37 = 2,587.83 : x
  2. Step 2: Convert to fraction form
    7,521.64/11,275.37 = 2,587.83/x
  3. Step 3: Cross multiply
    7,521.64x = 11,275.37 × 2,587.83
  4. Step 4: Simplify right side
    7,521.64x = 29,178,727.81
  5. Step 5: Solve for x
    x = 29,178,727.81/7,521.64
  6. Step 6: Final answer
    x = 3,879.30

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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.