Home / 7,298.40-10,070.88-4,154.64

Finding the Fourth Proportional to 7,298.40, 10,070.88 and 4,154.64

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Solution

The fourth proportional to 7,298.40, 10,070.88 and 4,154.64 is: 5,732.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,298.40 : 10,070.88 = 4,154.64 : x
  2. Step 2: Convert to fraction form
    7,298.40/10,070.88 = 4,154.64/x
  3. Step 3: Cross multiply
    7,298.40x = 10,070.88 × 4,154.64
  4. Step 4: Simplify right side
    7,298.40x = 41,840,880.88
  5. Step 5: Solve for x
    x = 41,840,880.88/7,298.40
  6. Step 6: Final answer
    x = 5,732.88

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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.