Home / 7,767.02-10,718.43-4,230.20

Finding the Fourth Proportional to 7,767.02, 10,718.43 and 4,230.20

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Solution

The fourth proportional to 7,767.02, 10,718.43 and 4,230.20 is: 5,837.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,767.02 : 10,718.43 = 4,230.20 : x
  2. Step 2: Convert to fraction form
    7,767.02/10,718.43 = 4,230.20/x
  3. Step 3: Cross multiply
    7,767.02x = 10,718.43 × 4,230.20
  4. Step 4: Simplify right side
    7,767.02x = 45,341,102.59
  5. Step 5: Solve for x
    x = 45,341,102.59/7,767.02
  6. Step 6: Final answer
    x = 5,837.64

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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.