Home / 8,436.28-11,637.40-5,250.10

Finding the Fourth Proportional to 8,436.28, 11,637.40 and 5,250.10

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Solution

The fourth proportional to 8,436.28, 11,637.40 and 5,250.10 is: 7,242.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,436.28 : 11,637.40 = 5,250.10 : x
  2. Step 2: Convert to fraction form
    8,436.28/11,637.40 = 5,250.10/x
  3. Step 3: Cross multiply
    8,436.28x = 11,637.40 × 5,250.10
  4. Step 4: Simplify right side
    8,436.28x = 61,097,513.74
  5. Step 5: Solve for x
    x = 61,097,513.74/8,436.28
  6. Step 6: Final answer
    x = 7,242.23

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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.