Home / 7,271.56-10,903.69-2,886.63

Finding the Fourth Proportional to 7,271.56, 10,903.69 and 2,886.63

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Solution

The fourth proportional to 7,271.56, 10,903.69 and 2,886.63 is: 4,328.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,271.56 : 10,903.69 = 2,886.63 : x
  2. Step 2: Convert to fraction form
    7,271.56/10,903.69 = 2,886.63/x
  3. Step 3: Cross multiply
    7,271.56x = 10,903.69 × 2,886.63
  4. Step 4: Simplify right side
    7,271.56x = 31,474,918.66
  5. Step 5: Solve for x
    x = 31,474,918.66/7,271.56
  6. Step 6: Final answer
    x = 4,328.50

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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.