Home / 6,985.55-10,478.31-2,055.18

Finding the Fourth Proportional to 6,985.55, 10,478.31 and 2,055.18

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Solution

The fourth proportional to 6,985.55, 10,478.31 and 2,055.18 is: 3,082.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,985.55 : 10,478.31 = 2,055.18 : x
  2. Step 2: Convert to fraction form
    6,985.55/10,478.31 = 2,055.18/x
  3. Step 3: Cross multiply
    6,985.55x = 10,478.31 × 2,055.18
  4. Step 4: Simplify right side
    6,985.55x = 21,534,856.29
  5. Step 5: Solve for x
    x = 21,534,856.29/6,985.55
  6. Step 6: Final answer
    x = 3,082.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.