Home / 6,931.44-9,565.74-4,280.40

Finding the Fourth Proportional to 6,931.44, 9,565.74 and 4,280.40

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Solution

The fourth proportional to 6,931.44, 9,565.74 and 4,280.40 is: 5,907.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,931.44 : 9,565.74 = 4,280.40 : x
  2. Step 2: Convert to fraction form
    6,931.44/9,565.74 = 4,280.40/x
  3. Step 3: Cross multiply
    6,931.44x = 9,565.74 × 4,280.40
  4. Step 4: Simplify right side
    6,931.44x = 40,945,193.50
  5. Step 5: Solve for x
    x = 40,945,193.50/6,931.44
  6. Step 6: Final answer
    x = 5,907.17

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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.