Home / 4,971.48-6,862.04-2,848.20

Finding the Fourth Proportional to 4,971.48, 6,862.04 and 2,848.20

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Solution

The fourth proportional to 4,971.48, 6,862.04 and 2,848.20 is: 3,931.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,971.48 : 6,862.04 = 2,848.20 : x
  2. Step 2: Convert to fraction form
    4,971.48/6,862.04 = 2,848.20/x
  3. Step 3: Cross multiply
    4,971.48x = 6,862.04 × 2,848.20
  4. Step 4: Simplify right side
    4,971.48x = 19,544,462.33
  5. Step 5: Solve for x
    x = 19,544,462.33/4,971.48
  6. Step 6: Final answer
    x = 3,931.32

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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.