Home / 6,677.36-9,216.68-4,688.40

Finding the Fourth Proportional to 6,677.36, 9,216.68 and 4,688.40

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Solution

The fourth proportional to 6,677.36, 9,216.68 and 4,688.40 is: 6,471.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,677.36 : 9,216.68 = 4,688.40 : x
  2. Step 2: Convert to fraction form
    6,677.36/9,216.68 = 4,688.40/x
  3. Step 3: Cross multiply
    6,677.36x = 9,216.68 × 4,688.40
  4. Step 4: Simplify right side
    6,677.36x = 43,211,482.51
  5. Step 5: Solve for x
    x = 43,211,482.51/6,677.36
  6. Step 6: Final answer
    x = 6,471.34

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Half scale
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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.