Home / 7,767.02-10,719.56-4,411.20

Finding the Fourth Proportional to 7,767.02, 10,719.56 and 4,411.20

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Solution

The fourth proportional to 7,767.02, 10,719.56 and 4,411.20 is: 6,088.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,767.02 : 10,719.56 = 4,411.20 : x
  2. Step 2: Convert to fraction form
    7,767.02/10,719.56 = 4,411.20/x
  3. Step 3: Cross multiply
    7,767.02x = 10,719.56 × 4,411.20
  4. Step 4: Simplify right side
    7,767.02x = 47,286,123.07
  5. Step 5: Solve for x
    x = 47,286,123.07/7,767.02
  6. Step 6: Final answer
    x = 6,088.07

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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.