Home / 5,285.07-7,925.45-1,821.51

Finding the Fourth Proportional to 5,285.07, 7,925.45 and 1,821.51

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Solution

The fourth proportional to 5,285.07, 7,925.45 and 1,821.51 is: 2,731.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,285.07 : 7,925.45 = 1,821.51 : x
  2. Step 2: Convert to fraction form
    5,285.07/7,925.45 = 1,821.51/x
  3. Step 3: Cross multiply
    5,285.07x = 7,925.45 × 1,821.51
  4. Step 4: Simplify right side
    5,285.07x = 14,436,277.32
  5. Step 5: Solve for x
    x = 14,436,277.32/5,285.07
  6. Step 6: Final answer
    x = 2,731.52

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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.