Home / 5,077.83-7,611.89-1,955.55

Finding the Fourth Proportional to 5,077.83, 7,611.89 and 1,955.55

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Solution

The fourth proportional to 5,077.83, 7,611.89 and 1,955.55 is: 2,931.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,077.83 : 7,611.89 = 1,955.55 : x
  2. Step 2: Convert to fraction form
    5,077.83/7,611.89 = 1,955.55/x
  3. Step 3: Cross multiply
    5,077.83x = 7,611.89 × 1,955.55
  4. Step 4: Simplify right side
    5,077.83x = 14,885,421.71
  5. Step 5: Solve for x
    x = 14,885,421.71/5,077.83
  6. Step 6: Final answer
    x = 2,931.45

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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.