Home / 7,111.85-10,655.01-4,337.06

Finding the Fourth Proportional to 7,111.85, 10,655.01 and 4,337.06

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Solution

The fourth proportional to 7,111.85, 10,655.01 and 4,337.06 is: 6,497.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,111.85 : 10,655.01 = 4,337.06 : x
  2. Step 2: Convert to fraction form
    7,111.85/10,655.01 = 4,337.06/x
  3. Step 3: Cross multiply
    7,111.85x = 10,655.01 × 4,337.06
  4. Step 4: Simplify right side
    7,111.85x = 46,211,364.40
  5. Step 5: Solve for x
    x = 46,211,364.40/7,111.85
  6. Step 6: Final answer
    x = 6,497.80

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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.