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Finding the Fourth Proportional to 8,547.77, 12,813.81 and 2,998.10

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Solution

The fourth proportional to 8,547.77, 12,813.81 and 2,998.10 is: 4,494.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,547.77 : 12,813.81 = 2,998.10 : x
  2. Step 2: Convert to fraction form
    8,547.77/12,813.81 = 2,998.10/x
  3. Step 3: Cross multiply
    8,547.77x = 12,813.81 × 2,998.10
  4. Step 4: Simplify right side
    8,547.77x = 38,417,019.69
  5. Step 5: Solve for x
    x = 38,417,019.69/8,547.77
  6. Step 6: Final answer
    x = 4,494.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.