Home / 5,051.40-6,970.50-2,955.66

Finding the Fourth Proportional to 5,051.40, 6,970.50 and 2,955.66

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Solution

The fourth proportional to 5,051.40, 6,970.50 and 2,955.66 is: 4,078.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,051.40 : 6,970.50 = 2,955.66 : x
  2. Step 2: Convert to fraction form
    5,051.40/6,970.50 = 2,955.66/x
  3. Step 3: Cross multiply
    5,051.40x = 6,970.50 × 2,955.66
  4. Step 4: Simplify right side
    5,051.40x = 20,602,428.03
  5. Step 5: Solve for x
    x = 20,602,428.03/5,051.40
  6. Step 6: Final answer
    x = 4,078.56

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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.