Home / 6,663.06-9,989.73-4,325.40

Finding the Fourth Proportional to 6,663.06, 9,989.73 and 4,325.40

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Solution

The fourth proportional to 6,663.06, 9,989.73 and 4,325.40 is: 6,484.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,663.06 : 9,989.73 = 4,325.40 : x
  2. Step 2: Convert to fraction form
    6,663.06/9,989.73 = 4,325.40/x
  3. Step 3: Cross multiply
    6,663.06x = 9,989.73 × 4,325.40
  4. Step 4: Simplify right side
    6,663.06x = 43,209,578.14
  5. Step 5: Solve for x
    x = 43,209,578.14/6,663.06
  6. Step 6: Final answer
    x = 6,484.95

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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.