Home / 4,970.79-6,859.70-2,846.35

Finding the Fourth Proportional to 4,970.79, 6,859.70 and 2,846.35

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Solution

The fourth proportional to 4,970.79, 6,859.70 and 2,846.35 is: 3,927.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,970.79 : 6,859.70 = 2,846.35 : x
  2. Step 2: Convert to fraction form
    4,970.79/6,859.70 = 2,846.35/x
  3. Step 3: Cross multiply
    4,970.79x = 6,859.70 × 2,846.35
  4. Step 4: Simplify right side
    4,970.79x = 19,525,122.79
  5. Step 5: Solve for x
    x = 19,525,122.79/4,970.79
  6. Step 6: Final answer
    x = 3,927.97

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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.