Home / 6,453.30-9,681.61-2,070.79

Finding the Fourth Proportional to 6,453.30, 9,681.61 and 2,070.79

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Solution

The fourth proportional to 6,453.30, 9,681.61 and 2,070.79 is: 3,106.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,453.30 : 9,681.61 = 2,070.79 : x
  2. Step 2: Convert to fraction form
    6,453.30/9,681.61 = 2,070.79/x
  3. Step 3: Cross multiply
    6,453.30x = 9,681.61 × 2,070.79
  4. Step 4: Simplify right side
    6,453.30x = 20,048,581.17
  5. Step 5: Solve for x
    x = 20,048,581.17/6,453.30
  6. Step 6: Final answer
    x = 3,106.72

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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.