Home / 6,868.02-10,287.65-4,390.23

Finding the Fourth Proportional to 6,868.02, 10,287.65 and 4,390.23

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Solution

The fourth proportional to 6,868.02, 10,287.65 and 4,390.23 is: 6,576.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,868.02 : 10,287.65 = 4,390.23 : x
  2. Step 2: Convert to fraction form
    6,868.02/10,287.65 = 4,390.23/x
  3. Step 3: Cross multiply
    6,868.02x = 10,287.65 × 4,390.23
  4. Step 4: Simplify right side
    6,868.02x = 45,165,127.71
  5. Step 5: Solve for x
    x = 45,165,127.71/6,868.02
  6. Step 6: Final answer
    x = 6,576.15

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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.