Home / 6,918.76-9,547.50-3,935.32

Finding the Fourth Proportional to 6,918.76, 9,547.50 and 3,935.32

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Solution

The fourth proportional to 6,918.76, 9,547.50 and 3,935.32 is: 5,430.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918.76 : 9,547.50 = 3,935.32 : x
  2. Step 2: Convert to fraction form
    6,918.76/9,547.50 = 3,935.32/x
  3. Step 3: Cross multiply
    6,918.76x = 9,547.50 × 3,935.32
  4. Step 4: Simplify right side
    6,918.76x = 37,572,467.70
  5. Step 5: Solve for x
    x = 37,572,467.70/6,918.76
  6. Step 6: Final answer
    x = 5,430.52

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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.