Home / 7,030.64-10,538.61-3,328.46

Finding the Fourth Proportional to 7,030.64, 10,538.61 and 3,328.46

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Solution

The fourth proportional to 7,030.64, 10,538.61 and 3,328.46 is: 4,989.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,030.64 : 10,538.61 = 3,328.46 : x
  2. Step 2: Convert to fraction form
    7,030.64/10,538.61 = 3,328.46/x
  3. Step 3: Cross multiply
    7,030.64x = 10,538.61 × 3,328.46
  4. Step 4: Simplify right side
    7,030.64x = 35,077,341.84
  5. Step 5: Solve for x
    x = 35,077,341.84/7,030.64
  6. Step 6: Final answer
    x = 4,989.21

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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.