Home / 7,175.09-10,688.65-6,957.47

Finding the Fourth Proportional to 7,175.09, 10,688.65 and 6,957.47

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Solution

The fourth proportional to 7,175.09, 10,688.65 and 6,957.47 is: 10,364.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,175.09 : 10,688.65 = 6,957.47 : x
  2. Step 2: Convert to fraction form
    7,175.09/10,688.65 = 6,957.47/x
  3. Step 3: Cross multiply
    7,175.09x = 10,688.65 × 6,957.47
  4. Step 4: Simplify right side
    7,175.09x = 74,365,971.04
  5. Step 5: Solve for x
    x = 74,365,971.04/7,175.09
  6. Step 6: Final answer
    x = 10,364.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.