Home / 7,654.40-10,547.26-5,861.77

Finding the Fourth Proportional to 7,654.40, 10,547.26 and 5,861.77

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Solution

The fourth proportional to 7,654.40, 10,547.26 and 5,861.77 is: 8,077.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,654.40 : 10,547.26 = 5,861.77 : x
  2. Step 2: Convert to fraction form
    7,654.40/10,547.26 = 5,861.77/x
  3. Step 3: Cross multiply
    7,654.40x = 10,547.26 × 5,861.77
  4. Step 4: Simplify right side
    7,654.40x = 61,825,604.20
  5. Step 5: Solve for x
    x = 61,825,604.20/7,654.40
  6. Step 6: Final answer
    x = 8,077.13

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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.