Home / 7,486.37-10,330.76-4,129.19

Finding the Fourth Proportional to 7,486.37, 10,330.76 and 4,129.19

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Solution

The fourth proportional to 7,486.37, 10,330.76 and 4,129.19 is: 5,698.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,486.37 : 10,330.76 = 4,129.19 : x
  2. Step 2: Convert to fraction form
    7,486.37/10,330.76 = 4,129.19/x
  3. Step 3: Cross multiply
    7,486.37x = 10,330.76 × 4,129.19
  4. Step 4: Simplify right side
    7,486.37x = 42,657,598.58
  5. Step 5: Solve for x
    x = 42,657,598.58/7,486.37
  6. Step 6: Final answer
    x = 5,698.04

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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.