Home / 7,790.57-10,750.85-4,254.11

Finding the Fourth Proportional to 7,790.57, 10,750.85 and 4,254.11

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Solution

The fourth proportional to 7,790.57, 10,750.85 and 4,254.11 is: 5,870.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,790.57 : 10,750.85 = 4,254.11 : x
  2. Step 2: Convert to fraction form
    7,790.57/10,750.85 = 4,254.11/x
  3. Step 3: Cross multiply
    7,790.57x = 10,750.85 × 4,254.11
  4. Step 4: Simplify right side
    7,790.57x = 45,735,277.22
  5. Step 5: Solve for x
    x = 45,735,277.22/7,790.57
  6. Step 6: Final answer
    x = 5,870.59

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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.