Home / 7,875.90-10,870.23-4,892.94

Finding the Fourth Proportional to 7,875.90, 10,870.23 and 4,892.94

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Solution

The fourth proportional to 7,875.90, 10,870.23 and 4,892.94 is: 6,753.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,875.90 : 10,870.23 = 4,892.94 : x
  2. Step 2: Convert to fraction form
    7,875.90/10,870.23 = 4,892.94/x
  3. Step 3: Cross multiply
    7,875.90x = 10,870.23 × 4,892.94
  4. Step 4: Simplify right side
    7,875.90x = 53,187,383.18
  5. Step 5: Solve for x
    x = 53,187,383.18/7,875.90
  6. Step 6: Final answer
    x = 6,753.18

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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.