Home / 6,210-8,569.80-3,415.50

Finding the Fourth Proportional to 6,210, 8,569.80 and 3,415.50

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Solution

The fourth proportional to 6,210, 8,569.80 and 3,415.50 is: 4,713.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,210 : 8,569.80 = 3,415.50 : x
  2. Step 2: Convert to fraction form
    6,210/8,569.80 = 3,415.50/x
  3. Step 3: Cross multiply
    6,210x = 8,569.80 × 3,415.50
  4. Step 4: Simplify right side
    6,210x = 29,270,151.90
  5. Step 5: Solve for x
    x = 29,270,151.90/6,210
  6. Step 6: Final answer
    x = 4,713.39

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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.