Home / 9,783.53-14,675.76-3,120.74

Finding the Fourth Proportional to 9,783.53, 14,675.76 and 3,120.74

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Solution

The fourth proportional to 9,783.53, 14,675.76 and 3,120.74 is: 4,681.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,783.53 : 14,675.76 = 3,120.74 : x
  2. Step 2: Convert to fraction form
    9,783.53/14,675.76 = 3,120.74/x
  3. Step 3: Cross multiply
    9,783.53x = 14,675.76 × 3,120.74
  4. Step 4: Simplify right side
    9,783.53x = 45,799,157.88
  5. Step 5: Solve for x
    x = 45,799,157.88/9,783.53
  6. Step 6: Final answer
    x = 4,681.25

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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.