Home / 6,980.18-9,628.81-4,423.28

Finding the Fourth Proportional to 6,980.18, 9,628.81 and 4,423.28

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Solution

The fourth proportional to 6,980.18, 9,628.81 and 4,423.28 is: 6,101.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,980.18 : 9,628.81 = 4,423.28 : x
  2. Step 2: Convert to fraction form
    6,980.18/9,628.81 = 4,423.28/x
  3. Step 3: Cross multiply
    6,980.18x = 9,628.81 × 4,423.28
  4. Step 4: Simplify right side
    6,980.18x = 42,590,863.49
  5. Step 5: Solve for x
    x = 42,590,863.49/6,980.18
  6. Step 6: Final answer
    x = 6,101.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.