Home / 4,210-6,312.57-1,870

Finding the Fourth Proportional to 4,210, 6,312.57 and 1,870

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Solution

The fourth proportional to 4,210, 6,312.57 and 1,870 is: 2,803.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,210 : 6,312.57 = 1,870 : x
  2. Step 2: Convert to fraction form
    4,210/6,312.57 = 1,870/x
  3. Step 3: Cross multiply
    4,210x = 6,312.57 × 1,870
  4. Step 4: Simplify right side
    4,210x = 11,804,505.90
  5. Step 5: Solve for x
    x = 11,804,505.90/4,210
  6. Step 6: Final answer
    x = 2,803.92

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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.