Home / 4,358.40-6,528.96-2,820.48

Finding the Fourth Proportional to 4,358.40, 6,528.96 and 2,820.48

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Solution

The fourth proportional to 4,358.40, 6,528.96 and 2,820.48 is: 4,225.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,358.40 : 6,528.96 = 2,820.48 : x
  2. Step 2: Convert to fraction form
    4,358.40/6,528.96 = 2,820.48/x
  3. Step 3: Cross multiply
    4,358.40x = 6,528.96 × 2,820.48
  4. Step 4: Simplify right side
    4,358.40x = 18,414,801.10
  5. Step 5: Solve for x
    x = 18,414,801.10/4,358.40
  6. Step 6: Final answer
    x = 4,225.13

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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.