Home / 7,764.58-10,715.19-4,407.40

Finding the Fourth Proportional to 7,764.58, 10,715.19 and 4,407.40

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Solution

The fourth proportional to 7,764.58, 10,715.19 and 4,407.40 is: 6,082.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,764.58 : 10,715.19 = 4,407.40 : x
  2. Step 2: Convert to fraction form
    7,764.58/10,715.19 = 4,407.40/x
  3. Step 3: Cross multiply
    7,764.58x = 10,715.19 × 4,407.40
  4. Step 4: Simplify right side
    7,764.58x = 47,226,155.19
  5. Step 5: Solve for x
    x = 47,226,155.19/7,764.58
  6. Step 6: Final answer
    x = 6,082.25

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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.