Home / 10,285.72-15,426.30-2,890.93

Finding the Fourth Proportional to 10,285.72, 15,426.30 and 2,890.93

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Solution

The fourth proportional to 10,285.72, 15,426.30 and 2,890.93 is: 4,335.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,285.72 : 15,426.30 = 2,890.93 : x
  2. Step 2: Convert to fraction form
    10,285.72/15,426.30 = 2,890.93/x
  3. Step 3: Cross multiply
    10,285.72x = 15,426.30 × 2,890.93
  4. Step 4: Simplify right side
    10,285.72x = 44,596,353.46
  5. Step 5: Solve for x
    x = 44,596,353.46/10,285.72
  6. Step 6: Final answer
    x = 4,335.75

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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.