Home / 4,019.99-5,547.89-2,318.77

Finding the Fourth Proportional to 4,019.99, 5,547.89 and 2,318.77

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Solution

The fourth proportional to 4,019.99, 5,547.89 and 2,318.77 is: 3,200.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,019.99 : 5,547.89 = 2,318.77 : x
  2. Step 2: Convert to fraction form
    4,019.99/5,547.89 = 2,318.77/x
  3. Step 3: Cross multiply
    4,019.99x = 5,547.89 × 2,318.77
  4. Step 4: Simplify right side
    4,019.99x = 12,864,280.90
  5. Step 5: Solve for x
    x = 12,864,280.90/4,019.99
  6. Step 6: Final answer
    x = 3,200.08

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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.