Home / 6,918.74-10,378.08-4,146.24

Finding the Fourth Proportional to 6,918.74, 10,378.08 and 4,146.24

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Solution

The fourth proportional to 6,918.74, 10,378.08 and 4,146.24 is: 6,219.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918.74 : 10,378.08 = 4,146.24 : x
  2. Step 2: Convert to fraction form
    6,918.74/10,378.08 = 4,146.24/x
  3. Step 3: Cross multiply
    6,918.74x = 10,378.08 × 4,146.24
  4. Step 4: Simplify right side
    6,918.74x = 43,030,010.42
  5. Step 5: Solve for x
    x = 43,030,010.42/6,918.74
  6. Step 6: Final answer
    x = 6,219.34

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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.