Home / 9,058.15-13,590.17-4,378.69

Finding the Fourth Proportional to 9,058.15, 13,590.17 and 4,378.69

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Solution

The fourth proportional to 9,058.15, 13,590.17 and 4,378.69 is: 6,569.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,058.15 : 13,590.17 = 4,378.69 : x
  2. Step 2: Convert to fraction form
    9,058.15/13,590.17 = 4,378.69/x
  3. Step 3: Cross multiply
    9,058.15x = 13,590.17 × 4,378.69
  4. Step 4: Simplify right side
    9,058.15x = 59,507,051.63
  5. Step 5: Solve for x
    x = 59,507,051.63/9,058.15
  6. Step 6: Final answer
    x = 6,569.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.