Home / 7,087.74-10,631.40-2,924.58

Finding the Fourth Proportional to 7,087.74, 10,631.40 and 2,924.58

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Solution

The fourth proportional to 7,087.74, 10,631.40 and 2,924.58 is: 4,386.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,087.74 : 10,631.40 = 2,924.58 : x
  2. Step 2: Convert to fraction form
    7,087.74/10,631.40 = 2,924.58/x
  3. Step 3: Cross multiply
    7,087.74x = 10,631.40 × 2,924.58
  4. Step 4: Simplify right side
    7,087.74x = 31,092,395.26
  5. Step 5: Solve for x
    x = 31,092,395.26/7,087.74
  6. Step 6: Final answer
    x = 4,386.79

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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.