Home / 4,970.43-6,860.04-2,875.77

Finding the Fourth Proportional to 4,970.43, 6,860.04 and 2,875.77

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Solution

The fourth proportional to 4,970.43, 6,860.04 and 2,875.77 is: 3,969.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,970.43 : 6,860.04 = 2,875.77 : x
  2. Step 2: Convert to fraction form
    4,970.43/6,860.04 = 2,875.77/x
  3. Step 3: Cross multiply
    4,970.43x = 6,860.04 × 2,875.77
  4. Step 4: Simplify right side
    4,970.43x = 19,727,897.23
  5. Step 5: Solve for x
    x = 19,727,897.23/4,970.43
  6. Step 6: Final answer
    x = 3,969.05

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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.