Home / 5,085.64-7,628.96-1,575.51

Finding the Fourth Proportional to 5,085.64, 7,628.96 and 1,575.51

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Solution

The fourth proportional to 5,085.64, 7,628.96 and 1,575.51 is: 2,363.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,085.64 : 7,628.96 = 1,575.51 : x
  2. Step 2: Convert to fraction form
    5,085.64/7,628.96 = 1,575.51/x
  3. Step 3: Cross multiply
    5,085.64x = 7,628.96 × 1,575.51
  4. Step 4: Simplify right side
    5,085.64x = 12,019,502.77
  5. Step 5: Solve for x
    x = 12,019,502.77/5,085.64
  6. Step 6: Final answer
    x = 2,363.42

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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.