Home / 4,208.84-6,312.56-1,247.23

Finding the Fourth Proportional to 4,208.84, 6,312.56 and 1,247.23

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Solution

The fourth proportional to 4,208.84, 6,312.56 and 1,247.23 is: 1,870.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,208.84 : 6,312.56 = 1,247.23 : x
  2. Step 2: Convert to fraction form
    4,208.84/6,312.56 = 1,247.23/x
  3. Step 3: Cross multiply
    4,208.84x = 6,312.56 × 1,247.23
  4. Step 4: Simplify right side
    4,208.84x = 7,873,192.19
  5. Step 5: Solve for x
    x = 7,873,192.19/4,208.84
  6. Step 6: Final answer
    x = 1,870.63

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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.