Home / 4,428.00-6,642.87-1,265.47

Finding the Fourth Proportional to 4,428.00, 6,642.87 and 1,265.47

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Solution

The fourth proportional to 4,428.00, 6,642.87 and 1,265.47 is: 1,898.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428.00 : 6,642.87 = 1,265.47 : x
  2. Step 2: Convert to fraction form
    4,428.00/6,642.87 = 1,265.47/x
  3. Step 3: Cross multiply
    4,428.00x = 6,642.87 × 1,265.47
  4. Step 4: Simplify right side
    4,428.00x = 8,406,332.93
  5. Step 5: Solve for x
    x = 8,406,332.93/4,428.00
  6. Step 6: Final answer
    x = 1,898.45

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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.