Home / 7,827.81-10,799.61-4,468.20

Finding the Fourth Proportional to 7,827.81, 10,799.61 and 4,468.20

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Solution

The fourth proportional to 7,827.81, 10,799.61 and 4,468.20 is: 6,164.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,827.81 : 10,799.61 = 4,468.20 : x
  2. Step 2: Convert to fraction form
    7,827.81/10,799.61 = 4,468.20/x
  3. Step 3: Cross multiply
    7,827.81x = 10,799.61 × 4,468.20
  4. Step 4: Simplify right side
    7,827.81x = 48,254,817.40
  5. Step 5: Solve for x
    x = 48,254,817.40/7,827.81
  6. Step 6: Final answer
    x = 6,164.54

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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.