Home / 7,018.95-10,530.15-2,088.56

Finding the Fourth Proportional to 7,018.95, 10,530.15 and 2,088.56

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Solution

The fourth proportional to 7,018.95, 10,530.15 and 2,088.56 is: 3,133.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,018.95 : 10,530.15 = 2,088.56 : x
  2. Step 2: Convert to fraction form
    7,018.95/10,530.15 = 2,088.56/x
  3. Step 3: Cross multiply
    7,018.95x = 10,530.15 × 2,088.56
  4. Step 4: Simplify right side
    7,018.95x = 21,992,850.08
  5. Step 5: Solve for x
    x = 21,992,850.08/7,018.95
  6. Step 6: Final answer
    x = 3,133.35

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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.