Home / 4,971.54-6,859.94-2,875.26

Finding the Fourth Proportional to 4,971.54, 6,859.94 and 2,875.26

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Solution

The fourth proportional to 4,971.54, 6,859.94 and 2,875.26 is: 3,967.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,971.54 : 6,859.94 = 2,875.26 : x
  2. Step 2: Convert to fraction form
    4,971.54/6,859.94 = 2,875.26/x
  3. Step 3: Cross multiply
    4,971.54x = 6,859.94 × 2,875.26
  4. Step 4: Simplify right side
    4,971.54x = 19,724,111.08
  5. Step 5: Solve for x
    x = 19,724,111.08/4,971.54
  6. Step 6: Final answer
    x = 3,967.40

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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.