Home / 4,428.68-6,641.46-1,307.85

Finding the Fourth Proportional to 4,428.68, 6,641.46 and 1,307.85

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Solution

The fourth proportional to 4,428.68, 6,641.46 and 1,307.85 is: 1,961.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428.68 : 6,641.46 = 1,307.85 : x
  2. Step 2: Convert to fraction form
    4,428.68/6,641.46 = 1,307.85/x
  3. Step 3: Cross multiply
    4,428.68x = 6,641.46 × 1,307.85
  4. Step 4: Simplify right side
    4,428.68x = 8,686,041.01
  5. Step 5: Solve for x
    x = 8,686,041.01/4,428.68
  6. Step 6: Final answer
    x = 1,961.32

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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.