Home / 5,085.32-7,624.40-1,965.08

Finding the Fourth Proportional to 5,085.32, 7,624.40 and 1,965.08

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Solution

The fourth proportional to 5,085.32, 7,624.40 and 1,965.08 is: 2,946.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,085.32 : 7,624.40 = 1,965.08 : x
  2. Step 2: Convert to fraction form
    5,085.32/7,624.40 = 1,965.08/x
  3. Step 3: Cross multiply
    5,085.32x = 7,624.40 × 1,965.08
  4. Step 4: Simplify right side
    5,085.32x = 14,982,565.19
  5. Step 5: Solve for x
    x = 14,982,565.19/5,085.32
  6. Step 6: Final answer
    x = 2,946.24

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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.