Home / 7,020.84-10,530.36-1,827.12

Finding the Fourth Proportional to 7,020.84, 10,530.36 and 1,827.12

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Solution

The fourth proportional to 7,020.84, 10,530.36 and 1,827.12 is: 2,740.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020.84 : 10,530.36 = 1,827.12 : x
  2. Step 2: Convert to fraction form
    7,020.84/10,530.36 = 1,827.12/x
  3. Step 3: Cross multiply
    7,020.84x = 10,530.36 × 1,827.12
  4. Step 4: Simplify right side
    7,020.84x = 19,240,231.36
  5. Step 5: Solve for x
    x = 19,240,231.36/7,020.84
  6. Step 6: Final answer
    x = 2,740.45

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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.