Home / 7,070.66-10,611.46-4,894.60

Finding the Fourth Proportional to 7,070.66, 10,611.46 and 4,894.60

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Solution

The fourth proportional to 7,070.66, 10,611.46 and 4,894.60 is: 7,345.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,070.66 : 10,611.46 = 4,894.60 : x
  2. Step 2: Convert to fraction form
    7,070.66/10,611.46 = 4,894.60/x
  3. Step 3: Cross multiply
    7,070.66x = 10,611.46 × 4,894.60
  4. Step 4: Simplify right side
    7,070.66x = 51,938,852.12
  5. Step 5: Solve for x
    x = 51,938,852.12/7,070.66
  6. Step 6: Final answer
    x = 7,345.69

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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.