Home / 7,888.46-11,838.36-4,602.56

Finding the Fourth Proportional to 7,888.46, 11,838.36 and 4,602.56

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Solution

The fourth proportional to 7,888.46, 11,838.36 and 4,602.56 is: 6,907.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,888.46 : 11,838.36 = 4,602.56 : x
  2. Step 2: Convert to fraction form
    7,888.46/11,838.36 = 4,602.56/x
  3. Step 3: Cross multiply
    7,888.46x = 11,838.36 × 4,602.56
  4. Step 4: Simplify right side
    7,888.46x = 54,486,762.20
  5. Step 5: Solve for x
    x = 54,486,762.20/7,888.46
  6. Step 6: Final answer
    x = 6,907.15

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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.