Home / 5,317.17-7,970.14-1,803.86

Finding the Fourth Proportional to 5,317.17, 7,970.14 and 1,803.86

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Solution

The fourth proportional to 5,317.17, 7,970.14 and 1,803.86 is: 2,703.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,317.17 : 7,970.14 = 1,803.86 : x
  2. Step 2: Convert to fraction form
    5,317.17/7,970.14 = 1,803.86/x
  3. Step 3: Cross multiply
    5,317.17x = 7,970.14 × 1,803.86
  4. Step 4: Simplify right side
    5,317.17x = 14,377,016.74
  5. Step 5: Solve for x
    x = 14,377,016.74/5,317.17
  6. Step 6: Final answer
    x = 2,703.89

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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.