Home / 7,511.28-10,367.76-4,368.72

Finding the Fourth Proportional to 7,511.28, 10,367.76 and 4,368.72

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Solution

The fourth proportional to 7,511.28, 10,367.76 and 4,368.72 is: 6,030.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,511.28 : 10,367.76 = 4,368.72 : x
  2. Step 2: Convert to fraction form
    7,511.28/10,367.76 = 4,368.72/x
  3. Step 3: Cross multiply
    7,511.28x = 10,367.76 × 4,368.72
  4. Step 4: Simplify right side
    7,511.28x = 45,293,840.47
  5. Step 5: Solve for x
    x = 45,293,840.47/7,511.28
  6. Step 6: Final answer
    x = 6,030.11

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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.