Home / 6,637.13-9,953.63-3,123.62

Finding the Fourth Proportional to 6,637.13, 9,953.63 and 3,123.62

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Solution

The fourth proportional to 6,637.13, 9,953.63 and 3,123.62 is: 4,684.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,637.13 : 9,953.63 = 3,123.62 : x
  2. Step 2: Convert to fraction form
    6,637.13/9,953.63 = 3,123.62/x
  3. Step 3: Cross multiply
    6,637.13x = 9,953.63 × 3,123.62
  4. Step 4: Simplify right side
    6,637.13x = 31,091,357.74
  5. Step 5: Solve for x
    x = 31,091,357.74/6,637.13
  6. Step 6: Final answer
    x = 4,684.46

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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.