Home / 4,345.80-6,518.64-1,058.91

Finding the Fourth Proportional to 4,345.80, 6,518.64 and 1,058.91

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Solution

The fourth proportional to 4,345.80, 6,518.64 and 1,058.91 is: 1,588.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,345.80 : 6,518.64 = 1,058.91 : x
  2. Step 2: Convert to fraction form
    4,345.80/6,518.64 = 1,058.91/x
  3. Step 3: Cross multiply
    4,345.80x = 6,518.64 × 1,058.91
  4. Step 4: Simplify right side
    4,345.80x = 6,902,653.08
  5. Step 5: Solve for x
    x = 6,902,653.08/4,345.80
  6. Step 6: Final answer
    x = 1,588.35

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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.