Home / 5,870.08-8,799.64-1,971.75

Finding the Fourth Proportional to 5,870.08, 8,799.64 and 1,971.75

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Solution

The fourth proportional to 5,870.08, 8,799.64 and 1,971.75 is: 2,955.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,870.08 : 8,799.64 = 1,971.75 : x
  2. Step 2: Convert to fraction form
    5,870.08/8,799.64 = 1,971.75/x
  3. Step 3: Cross multiply
    5,870.08x = 8,799.64 × 1,971.75
  4. Step 4: Simplify right side
    5,870.08x = 17,350,690.17
  5. Step 5: Solve for x
    x = 17,350,690.17/5,870.08
  6. Step 6: Final answer
    x = 2,955.78

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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.