Home / 6,554.86-9,045.45-3,570.72

Finding the Fourth Proportional to 6,554.86, 9,045.45 and 3,570.72

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Solution

The fourth proportional to 6,554.86, 9,045.45 and 3,570.72 is: 4,927.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,554.86 : 9,045.45 = 3,570.72 : x
  2. Step 2: Convert to fraction form
    6,554.86/9,045.45 = 3,570.72/x
  3. Step 3: Cross multiply
    6,554.86x = 9,045.45 × 3,570.72
  4. Step 4: Simplify right side
    6,554.86x = 32,298,769.22
  5. Step 5: Solve for x
    x = 32,298,769.22/6,554.86
  6. Step 6: Final answer
    x = 4,927.45

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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.