Home / 7,919.90-10,926.28-4,560.91

Finding the Fourth Proportional to 7,919.90, 10,926.28 and 4,560.91

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Solution

The fourth proportional to 7,919.90, 10,926.28 and 4,560.91 is: 6,292.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,919.90 : 10,926.28 = 4,560.91 : x
  2. Step 2: Convert to fraction form
    7,919.90/10,926.28 = 4,560.91/x
  3. Step 3: Cross multiply
    7,919.90x = 10,926.28 × 4,560.91
  4. Step 4: Simplify right side
    7,919.90x = 49,833,779.71
  5. Step 5: Solve for x
    x = 49,833,779.71/7,919.90
  6. Step 6: Final answer
    x = 6,292.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.