Home / 4,580.53-6,870.80-1,117.78

Finding the Fourth Proportional to 4,580.53, 6,870.80 and 1,117.78

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Solution

The fourth proportional to 4,580.53, 6,870.80 and 1,117.78 is: 1,676.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,580.53 : 6,870.80 = 1,117.78 : x
  2. Step 2: Convert to fraction form
    4,580.53/6,870.80 = 1,117.78/x
  3. Step 3: Cross multiply
    4,580.53x = 6,870.80 × 1,117.78
  4. Step 4: Simplify right side
    4,580.53x = 7,680,042.82
  5. Step 5: Solve for x
    x = 7,680,042.82/4,580.53
  6. Step 6: Final answer
    x = 1,676.67

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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.