Home / 6,438.33-8,886.65-5,271.93

Finding the Fourth Proportional to 6,438.33, 8,886.65 and 5,271.93

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Solution

The fourth proportional to 6,438.33, 8,886.65 and 5,271.93 is: 7,276.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,438.33 : 8,886.65 = 5,271.93 : x
  2. Step 2: Convert to fraction form
    6,438.33/8,886.65 = 5,271.93/x
  3. Step 3: Cross multiply
    6,438.33x = 8,886.65 × 5,271.93
  4. Step 4: Simplify right side
    6,438.33x = 46,849,770.37
  5. Step 5: Solve for x
    x = 46,849,770.37/6,438.33
  6. Step 6: Final answer
    x = 7,276.70

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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.