Home / 6,424.80-9,637.52-1,808.16

Finding the Fourth Proportional to 6,424.80, 9,637.52 and 1,808.16

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Solution

The fourth proportional to 6,424.80, 9,637.52 and 1,808.16 is: 2,712.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,424.80 : 9,637.52 = 1,808.16 : x
  2. Step 2: Convert to fraction form
    6,424.80/9,637.52 = 1,808.16/x
  3. Step 3: Cross multiply
    6,424.80x = 9,637.52 × 1,808.16
  4. Step 4: Simplify right side
    6,424.80x = 17,426,178.16
  5. Step 5: Solve for x
    x = 17,426,178.16/6,424.80
  6. Step 6: Final answer
    x = 2,712.33

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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.