Home / 6,443.16-9,670.80-4,253.40

Finding the Fourth Proportional to 6,443.16, 9,670.80 and 4,253.40

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Solution

The fourth proportional to 6,443.16, 9,670.80 and 4,253.40 is: 6,384.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,443.16 : 9,670.80 = 4,253.40 : x
  2. Step 2: Convert to fraction form
    6,443.16/9,670.80 = 4,253.40/x
  3. Step 3: Cross multiply
    6,443.16x = 9,670.80 × 4,253.40
  4. Step 4: Simplify right side
    6,443.16x = 41,133,780.72
  5. Step 5: Solve for x
    x = 41,133,780.72/6,443.16
  6. Step 6: Final answer
    x = 6,384.10

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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.