Home / 7,527.80-10,388.40-4,384.10

Finding the Fourth Proportional to 7,527.80, 10,388.40 and 4,384.10

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Solution

The fourth proportional to 7,527.80, 10,388.40 and 4,384.10 is: 6,050.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,527.80 : 10,388.40 = 4,384.10 : x
  2. Step 2: Convert to fraction form
    7,527.80/10,388.40 = 4,384.10/x
  3. Step 3: Cross multiply
    7,527.80x = 10,388.40 × 4,384.10
  4. Step 4: Simplify right side
    7,527.80x = 45,543,784.44
  5. Step 5: Solve for x
    x = 45,543,784.44/7,527.80
  6. Step 6: Final answer
    x = 6,050.08

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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.