Home / 7,051.58-9,731.40-3,908.06

Finding the Fourth Proportional to 7,051.58, 9,731.40 and 3,908.06

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Solution

The fourth proportional to 7,051.58, 9,731.40 and 3,908.06 is: 5,393.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,051.58 : 9,731.40 = 3,908.06 : x
  2. Step 2: Convert to fraction form
    7,051.58/9,731.40 = 3,908.06/x
  3. Step 3: Cross multiply
    7,051.58x = 9,731.40 × 3,908.06
  4. Step 4: Simplify right side
    7,051.58x = 38,030,895.08
  5. Step 5: Solve for x
    x = 38,030,895.08/7,051.58
  6. Step 6: Final answer
    x = 5,393.24

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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.