Home / 7,764.69-10,714.56-4,407.65

Finding the Fourth Proportional to 7,764.69, 10,714.56 and 4,407.65

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Solution

The fourth proportional to 7,764.69, 10,714.56 and 4,407.65 is: 6,082.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,764.69 : 10,714.56 = 4,407.65 : x
  2. Step 2: Convert to fraction form
    7,764.69/10,714.56 = 4,407.65/x
  3. Step 3: Cross multiply
    7,764.69x = 10,714.56 × 4,407.65
  4. Step 4: Simplify right side
    7,764.69x = 47,225,976.81
  5. Step 5: Solve for x
    x = 47,225,976.81/7,764.69
  6. Step 6: Final answer
    x = 6,082.15

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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.