Home / 5,162.77-7,124.63-2,925.06

Finding the Fourth Proportional to 5,162.77, 7,124.63 and 2,925.06

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Solution

The fourth proportional to 5,162.77, 7,124.63 and 2,925.06 is: 4,036.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,162.77 : 7,124.63 = 2,925.06 : x
  2. Step 2: Convert to fraction form
    5,162.77/7,124.63 = 2,925.06/x
  3. Step 3: Cross multiply
    5,162.77x = 7,124.63 × 2,925.06
  4. Step 4: Simplify right side
    5,162.77x = 20,839,934.60
  5. Step 5: Solve for x
    x = 20,839,934.60/5,162.77
  6. Step 6: Final answer
    x = 4,036.58

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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.