Home / 6,545.63-9,818.53-1,865.77

Finding the Fourth Proportional to 6,545.63, 9,818.53 and 1,865.77

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Solution

The fourth proportional to 6,545.63, 9,818.53 and 1,865.77 is: 2,798.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,545.63 : 9,818.53 = 1,865.77 : x
  2. Step 2: Convert to fraction form
    6,545.63/9,818.53 = 1,865.77/x
  3. Step 3: Cross multiply
    6,545.63x = 9,818.53 × 1,865.77
  4. Step 4: Simplify right side
    6,545.63x = 18,319,089.51
  5. Step 5: Solve for x
    x = 18,319,089.51/6,545.63
  6. Step 6: Final answer
    x = 2,798.67

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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.