Home / 4,428.74-6,641.57-1,307.92

Finding the Fourth Proportional to 4,428.74, 6,641.57 and 1,307.92

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Solution

The fourth proportional to 4,428.74, 6,641.57 and 1,307.92 is: 1,961.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428.74 : 6,641.57 = 1,307.92 : x
  2. Step 2: Convert to fraction form
    4,428.74/6,641.57 = 1,307.92/x
  3. Step 3: Cross multiply
    4,428.74x = 6,641.57 × 1,307.92
  4. Step 4: Simplify right side
    4,428.74x = 8,686,619.09
  5. Step 5: Solve for x
    x = 8,686,619.09/4,428.74
  6. Step 6: Final answer
    x = 1,961.42

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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.