Home / 4,971.08-6,860.76-2,875.34

Finding the Fourth Proportional to 4,971.08, 6,860.76 and 2,875.34

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Solution

The fourth proportional to 4,971.08, 6,860.76 and 2,875.34 is: 3,968.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,971.08 : 6,860.76 = 2,875.34 : x
  2. Step 2: Convert to fraction form
    4,971.08/6,860.76 = 2,875.34/x
  3. Step 3: Cross multiply
    4,971.08x = 6,860.76 × 2,875.34
  4. Step 4: Simplify right side
    4,971.08x = 19,727,017.66
  5. Step 5: Solve for x
    x = 19,727,017.66/4,971.08
  6. Step 6: Final answer
    x = 3,968.36

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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.