Home / 7,769.16-10,715.07-4,779.63

Finding the Fourth Proportional to 7,769.16, 10,715.07 and 4,779.63

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Solution

The fourth proportional to 7,769.16, 10,715.07 and 4,779.63 is: 6,591.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,769.16 : 10,715.07 = 4,779.63 : x
  2. Step 2: Convert to fraction form
    7,769.16/10,715.07 = 4,779.63/x
  3. Step 3: Cross multiply
    7,769.16x = 10,715.07 × 4,779.63
  4. Step 4: Simplify right side
    7,769.16x = 51,214,070.02
  5. Step 5: Solve for x
    x = 51,214,070.02/7,769.16
  6. Step 6: Final answer
    x = 6,591.97

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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.