Home / 7,017.36-10,521.18-3,119.64

Finding the Fourth Proportional to 7,017.36, 10,521.18 and 3,119.64

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Solution

The fourth proportional to 7,017.36, 10,521.18 and 3,119.64 is: 4,677.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,017.36 : 10,521.18 = 3,119.64 : x
  2. Step 2: Convert to fraction form
    7,017.36/10,521.18 = 3,119.64/x
  3. Step 3: Cross multiply
    7,017.36x = 10,521.18 × 3,119.64
  4. Step 4: Simplify right side
    7,017.36x = 32,822,293.98
  5. Step 5: Solve for x
    x = 32,822,293.98/7,017.36
  6. Step 6: Final answer
    x = 4,677.30

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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.