Home / 7,005.02-9,666.81-3,818.35

Finding the Fourth Proportional to 7,005.02, 9,666.81 and 3,818.35

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Solution

The fourth proportional to 7,005.02, 9,666.81 and 3,818.35 is: 5,269.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,005.02 : 9,666.81 = 3,818.35 : x
  2. Step 2: Convert to fraction form
    7,005.02/9,666.81 = 3,818.35/x
  3. Step 3: Cross multiply
    7,005.02x = 9,666.81 × 3,818.35
  4. Step 4: Simplify right side
    7,005.02x = 36,911,263.96
  5. Step 5: Solve for x
    x = 36,911,263.96/7,005.02
  6. Step 6: Final answer
    x = 5,269.26

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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.