Home / 10,285.16-15,426.53-2,890.25

Finding the Fourth Proportional to 10,285.16, 15,426.53 and 2,890.25

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Solution

The fourth proportional to 10,285.16, 15,426.53 and 2,890.25 is: 4,335.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,285.16 : 15,426.53 = 2,890.25 : x
  2. Step 2: Convert to fraction form
    10,285.16/15,426.53 = 2,890.25/x
  3. Step 3: Cross multiply
    10,285.16x = 15,426.53 × 2,890.25
  4. Step 4: Simplify right side
    10,285.16x = 44,586,458.43
  5. Step 5: Solve for x
    x = 44,586,458.43/10,285.16
  6. Step 6: Final answer
    x = 4,335.03

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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.