Home / 8,590.04-12,876.83-5,460.35

Finding the Fourth Proportional to 8,590.04, 12,876.83 and 5,460.35

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Solution

The fourth proportional to 8,590.04, 12,876.83 and 5,460.35 is: 8,185.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,590.04 : 12,876.83 = 5,460.35 : x
  2. Step 2: Convert to fraction form
    8,590.04/12,876.83 = 5,460.35/x
  3. Step 3: Cross multiply
    8,590.04x = 12,876.83 × 5,460.35
  4. Step 4: Simplify right side
    8,590.04x = 70,312,044.53
  5. Step 5: Solve for x
    x = 70,312,044.53/8,590.04
  6. Step 6: Final answer
    x = 8,185.30

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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.