Home / 7,762.02-11,641.27-2,215.20

Finding the Fourth Proportional to 7,762.02, 11,641.27 and 2,215.20

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Solution

The fourth proportional to 7,762.02, 11,641.27 and 2,215.20 is: 3,322.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,762.02 : 11,641.27 = 2,215.20 : x
  2. Step 2: Convert to fraction form
    7,762.02/11,641.27 = 2,215.20/x
  3. Step 3: Cross multiply
    7,762.02x = 11,641.27 × 2,215.20
  4. Step 4: Simplify right side
    7,762.02x = 25,787,741.30
  5. Step 5: Solve for x
    x = 25,787,741.30/7,762.02
  6. Step 6: Final answer
    x = 3,322.30

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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.