Home / 7,395.09-10,202.77-4,878.45

Finding the Fourth Proportional to 7,395.09, 10,202.77 and 4,878.45

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Solution

The fourth proportional to 7,395.09, 10,202.77 and 4,878.45 is: 6,730.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,395.09 : 10,202.77 = 4,878.45 : x
  2. Step 2: Convert to fraction form
    7,395.09/10,202.77 = 4,878.45/x
  3. Step 3: Cross multiply
    7,395.09x = 10,202.77 × 4,878.45
  4. Step 4: Simplify right side
    7,395.09x = 49,773,703.31
  5. Step 5: Solve for x
    x = 49,773,703.31/7,395.09
  6. Step 6: Final answer
    x = 6,730.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.