Home / 6,345.18-9,518.93-1,962.34

Finding the Fourth Proportional to 6,345.18, 9,518.93 and 1,962.34

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Solution

The fourth proportional to 6,345.18, 9,518.93 and 1,962.34 is: 2,943.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,345.18 : 9,518.93 = 1,962.34 : x
  2. Step 2: Convert to fraction form
    6,345.18/9,518.93 = 1,962.34/x
  3. Step 3: Cross multiply
    6,345.18x = 9,518.93 × 1,962.34
  4. Step 4: Simplify right side
    6,345.18x = 18,679,377.10
  5. Step 5: Solve for x
    x = 18,679,377.10/6,345.18
  6. Step 6: Final answer
    x = 2,943.87

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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.