Home / 10,570.55-15,854.56-2,779.97

Finding the Fourth Proportional to 10,570.55, 15,854.56 and 2,779.97

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Solution

The fourth proportional to 10,570.55, 15,854.56 and 2,779.97 is: 4,169.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,570.55 : 15,854.56 = 2,779.97 : x
  2. Step 2: Convert to fraction form
    10,570.55/15,854.56 = 2,779.97/x
  3. Step 3: Cross multiply
    10,570.55x = 15,854.56 × 2,779.97
  4. Step 4: Simplify right side
    10,570.55x = 44,075,114.94
  5. Step 5: Solve for x
    x = 44,075,114.94/10,570.55
  6. Step 6: Final answer
    x = 4,169.62

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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.