Home / 4,970.52-6,860.16-2,875.86

Finding the Fourth Proportional to 4,970.52, 6,860.16 and 2,875.86

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Solution

The fourth proportional to 4,970.52, 6,860.16 and 2,875.86 is: 3,969.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,970.52 : 6,860.16 = 2,875.86 : x
  2. Step 2: Convert to fraction form
    4,970.52/6,860.16 = 2,875.86/x
  3. Step 3: Cross multiply
    4,970.52x = 6,860.16 × 2,875.86
  4. Step 4: Simplify right side
    4,970.52x = 19,728,859.74
  5. Step 5: Solve for x
    x = 19,728,859.74/4,970.52
  6. Step 6: Final answer
    x = 3,969.17

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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.