Home / 7,005.84-10,507.92-1,811.52

Finding the Fourth Proportional to 7,005.84, 10,507.92 and 1,811.52

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Solution

The fourth proportional to 7,005.84, 10,507.92 and 1,811.52 is: 2,717.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,005.84 : 10,507.92 = 1,811.52 : x
  2. Step 2: Convert to fraction form
    7,005.84/10,507.92 = 1,811.52/x
  3. Step 3: Cross multiply
    7,005.84x = 10,507.92 × 1,811.52
  4. Step 4: Simplify right side
    7,005.84x = 19,035,307.24
  5. Step 5: Solve for x
    x = 19,035,307.24/7,005.84
  6. Step 6: Final answer
    x = 2,717.06

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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.