Home / 4,829.68-6,666.20-2,840.87

Finding the Fourth Proportional to 4,829.68, 6,666.20 and 2,840.87

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Solution

The fourth proportional to 4,829.68, 6,666.20 and 2,840.87 is: 3,921.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,829.68 : 6,666.20 = 2,840.87 : x
  2. Step 2: Convert to fraction form
    4,829.68/6,666.20 = 2,840.87/x
  3. Step 3: Cross multiply
    4,829.68x = 6,666.20 × 2,840.87
  4. Step 4: Simplify right side
    4,829.68x = 18,937,820.71
  5. Step 5: Solve for x
    x = 18,937,820.71/4,829.68
  6. Step 6: Final answer
    x = 3,921.14

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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.