Home / 5,327.79-7,995.21-1,865.04

Finding the Fourth Proportional to 5,327.79, 7,995.21 and 1,865.04

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Solution

The fourth proportional to 5,327.79, 7,995.21 and 1,865.04 is: 2,798.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,327.79 : 7,995.21 = 1,865.04 : x
  2. Step 2: Convert to fraction form
    5,327.79/7,995.21 = 1,865.04/x
  3. Step 3: Cross multiply
    5,327.79x = 7,995.21 × 1,865.04
  4. Step 4: Simplify right side
    5,327.79x = 14,911,386.46
  5. Step 5: Solve for x
    x = 14,911,386.46/5,327.79
  6. Step 6: Final answer
    x = 2,798.79

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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.