Home / 7,790.34-10,750.65-4,253.55

Finding the Fourth Proportional to 7,790.34, 10,750.65 and 4,253.55

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Solution

The fourth proportional to 7,790.34, 10,750.65 and 4,253.55 is: 5,869.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,790.34 : 10,750.65 = 4,253.55 : x
  2. Step 2: Convert to fraction form
    7,790.34/10,750.65 = 4,253.55/x
  3. Step 3: Cross multiply
    7,790.34x = 10,750.65 × 4,253.55
  4. Step 4: Simplify right side
    7,790.34x = 45,728,427.31
  5. Step 5: Solve for x
    x = 45,728,427.31/7,790.34
  6. Step 6: Final answer
    x = 5,869.89

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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.