Home / 7,031.20-9,705.36-4,935.84

Finding the Fourth Proportional to 7,031.20, 9,705.36 and 4,935.84

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Solution

The fourth proportional to 7,031.20, 9,705.36 and 4,935.84 is: 6,813.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,031.20 : 9,705.36 = 4,935.84 : x
  2. Step 2: Convert to fraction form
    7,031.20/9,705.36 = 4,935.84/x
  3. Step 3: Cross multiply
    7,031.20x = 9,705.36 × 4,935.84
  4. Step 4: Simplify right side
    7,031.20x = 47,904,104.10
  5. Step 5: Solve for x
    x = 47,904,104.10/7,031.20
  6. Step 6: Final answer
    x = 6,813.08

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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.