Home / 7,935.12-10,952.28-5,135.76

Finding the Fourth Proportional to 7,935.12, 10,952.28 and 5,135.76

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Solution

The fourth proportional to 7,935.12, 10,952.28 and 5,135.76 is: 7,088.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,935.12 : 10,952.28 = 5,135.76 : x
  2. Step 2: Convert to fraction form
    7,935.12/10,952.28 = 5,135.76/x
  3. Step 3: Cross multiply
    7,935.12x = 10,952.28 × 5,135.76
  4. Step 4: Simplify right side
    7,935.12x = 56,248,281.53
  5. Step 5: Solve for x
    x = 56,248,281.53/7,935.12
  6. Step 6: Final answer
    x = 7,088.52

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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.