Home / 5,055.16-6,979.87-3,068.40

Finding the Fourth Proportional to 5,055.16, 6,979.87 and 3,068.40

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Solution

The fourth proportional to 5,055.16, 6,979.87 and 3,068.40 is: 4,236.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,055.16 : 6,979.87 = 3,068.40 : x
  2. Step 2: Convert to fraction form
    5,055.16/6,979.87 = 3,068.40/x
  3. Step 3: Cross multiply
    5,055.16x = 6,979.87 × 3,068.40
  4. Step 4: Simplify right side
    5,055.16x = 21,417,033.11
  5. Step 5: Solve for x
    x = 21,417,033.11/5,055.16
  6. Step 6: Final answer
    x = 4,236.67

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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.