Home / 4,459.28-6,689.66-1,536.80

Finding the Fourth Proportional to 4,459.28, 6,689.66 and 1,536.80

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Solution

The fourth proportional to 4,459.28, 6,689.66 and 1,536.80 is: 2,305.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,459.28 : 6,689.66 = 1,536.80 : x
  2. Step 2: Convert to fraction form
    4,459.28/6,689.66 = 1,536.80/x
  3. Step 3: Cross multiply
    4,459.28x = 6,689.66 × 1,536.80
  4. Step 4: Simplify right side
    4,459.28x = 10,280,628.36
  5. Step 5: Solve for x
    x = 10,280,628.36/4,459.28
  6. Step 6: Final answer
    x = 2,305.45

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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.