Home / 4,580.61-6,870.91-1,117.86

Finding the Fourth Proportional to 4,580.61, 6,870.91 and 1,117.86

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Solution

The fourth proportional to 4,580.61, 6,870.91 and 1,117.86 is: 1,676.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,580.61 : 6,870.91 = 1,117.86 : x
  2. Step 2: Convert to fraction form
    4,580.61/6,870.91 = 1,117.86/x
  3. Step 3: Cross multiply
    4,580.61x = 6,870.91 × 1,117.86
  4. Step 4: Simplify right side
    4,580.61x = 7,680,715.45
  5. Step 5: Solve for x
    x = 7,680,715.45/4,580.61
  6. Step 6: Final answer
    x = 1,676.79

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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.