Home / 7,254.20-10,866.90-4,323.80

Finding the Fourth Proportional to 7,254.20, 10,866.90 and 4,323.80

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Solution

The fourth proportional to 7,254.20, 10,866.90 and 4,323.80 is: 6,477.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,254.20 : 10,866.90 = 4,323.80 : x
  2. Step 2: Convert to fraction form
    7,254.20/10,866.90 = 4,323.80/x
  3. Step 3: Cross multiply
    7,254.20x = 10,866.90 × 4,323.80
  4. Step 4: Simplify right side
    7,254.20x = 46,986,302.22
  5. Step 5: Solve for x
    x = 46,986,302.22/7,254.20
  6. Step 6: Final answer
    x = 6,477.12

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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.