Home / 4,390.02-6,062.34-2,820.84

Finding the Fourth Proportional to 4,390.02, 6,062.34 and 2,820.84

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Solution

The fourth proportional to 4,390.02, 6,062.34 and 2,820.84 is: 3,895.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,390.02 : 6,062.34 = 2,820.84 : x
  2. Step 2: Convert to fraction form
    4,390.02/6,062.34 = 2,820.84/x
  3. Step 3: Cross multiply
    4,390.02x = 6,062.34 × 2,820.84
  4. Step 4: Simplify right side
    4,390.02x = 17,100,891.17
  5. Step 5: Solve for x
    x = 17,100,891.17/4,390.02
  6. Step 6: Final answer
    x = 3,895.40

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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.