Home / 7,111.41-10,646.02-5,270.77

Finding the Fourth Proportional to 7,111.41, 10,646.02 and 5,270.77

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Solution

The fourth proportional to 7,111.41, 10,646.02 and 5,270.77 is: 7,890.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,111.41 : 10,646.02 = 5,270.77 : x
  2. Step 2: Convert to fraction form
    7,111.41/10,646.02 = 5,270.77/x
  3. Step 3: Cross multiply
    7,111.41x = 10,646.02 × 5,270.77
  4. Step 4: Simplify right side
    7,111.41x = 56,112,722.84
  5. Step 5: Solve for x
    x = 56,112,722.84/7,111.41
  6. Step 6: Final answer
    x = 7,890.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.