Home / 7,801.18-10,765.65-4,657.30

Finding the Fourth Proportional to 7,801.18, 10,765.65 and 4,657.30

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Solution

The fourth proportional to 7,801.18, 10,765.65 and 4,657.30 is: 6,427.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,801.18 : 10,765.65 = 4,657.30 : x
  2. Step 2: Convert to fraction form
    7,801.18/10,765.65 = 4,657.30/x
  3. Step 3: Cross multiply
    7,801.18x = 10,765.65 × 4,657.30
  4. Step 4: Simplify right side
    7,801.18x = 50,138,861.75
  5. Step 5: Solve for x
    x = 50,138,861.75/7,801.18
  6. Step 6: Final answer
    x = 6,427.09

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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.