Home / 7,559.09-10,428.54-4,371.80

Finding the Fourth Proportional to 7,559.09, 10,428.54 and 4,371.80

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Solution

The fourth proportional to 7,559.09, 10,428.54 and 4,371.80 is: 6,031.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,559.09 : 10,428.54 = 4,371.80 : x
  2. Step 2: Convert to fraction form
    7,559.09/10,428.54 = 4,371.80/x
  3. Step 3: Cross multiply
    7,559.09x = 10,428.54 × 4,371.80
  4. Step 4: Simplify right side
    7,559.09x = 45,591,491.17
  5. Step 5: Solve for x
    x = 45,591,491.17/7,559.09
  6. Step 6: Final answer
    x = 6,031.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.