Home / 5,271.48-7,904.28-3,319.50

Finding the Fourth Proportional to 5,271.48, 7,904.28 and 3,319.50

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Solution

The fourth proportional to 5,271.48, 7,904.28 and 3,319.50 is: 4,977.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271.48 : 7,904.28 = 3,319.50 : x
  2. Step 2: Convert to fraction form
    5,271.48/7,904.28 = 3,319.50/x
  3. Step 3: Cross multiply
    5,271.48x = 7,904.28 × 3,319.50
  4. Step 4: Simplify right side
    5,271.48x = 26,238,257.46
  5. Step 5: Solve for x
    x = 26,238,257.46/5,271.48
  6. Step 6: Final answer
    x = 4,977.40

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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.