Home / 8,877.90-13,318.74-2,637.93

Finding the Fourth Proportional to 8,877.90, 13,318.74 and 2,637.93

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Solution

The fourth proportional to 8,877.90, 13,318.74 and 2,637.93 is: 3,957.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,877.90 : 13,318.74 = 2,637.93 : x
  2. Step 2: Convert to fraction form
    8,877.90/13,318.74 = 2,637.93/x
  3. Step 3: Cross multiply
    8,877.90x = 13,318.74 × 2,637.93
  4. Step 4: Simplify right side
    8,877.90x = 35,133,903.81
  5. Step 5: Solve for x
    x = 35,133,903.81/8,877.90
  6. Step 6: Final answer
    x = 3,957.46

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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.