Home / 7,538.28-11,312.58-4,607.64

Finding the Fourth Proportional to 7,538.28, 11,312.58 and 4,607.64

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Solution

The fourth proportional to 7,538.28, 11,312.58 and 4,607.64 is: 6,914.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538.28 : 11,312.58 = 4,607.64 : x
  2. Step 2: Convert to fraction form
    7,538.28/11,312.58 = 4,607.64/x
  3. Step 3: Cross multiply
    7,538.28x = 11,312.58 × 4,607.64
  4. Step 4: Simplify right side
    7,538.28x = 52,124,296.11
  5. Step 5: Solve for x
    x = 52,124,296.11/7,538.28
  6. Step 6: Final answer
    x = 6,914.61

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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.