Home / 4,719.47-6,510.39-2,830.14

Finding the Fourth Proportional to 4,719.47, 6,510.39 and 2,830.14

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Solution

The fourth proportional to 4,719.47, 6,510.39 and 2,830.14 is: 3,904.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,719.47 : 6,510.39 = 2,830.14 : x
  2. Step 2: Convert to fraction form
    4,719.47/6,510.39 = 2,830.14/x
  3. Step 3: Cross multiply
    4,719.47x = 6,510.39 × 2,830.14
  4. Step 4: Simplify right side
    4,719.47x = 18,425,315.15
  5. Step 5: Solve for x
    x = 18,425,315.15/4,719.47
  6. Step 6: Final answer
    x = 3,904.11

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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.