Home / 7,787.58-10,746.51-4,430.67

Finding the Fourth Proportional to 7,787.58, 10,746.51 and 4,430.67

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Solution

The fourth proportional to 7,787.58, 10,746.51 and 4,430.67 is: 6,114.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,787.58 : 10,746.51 = 4,430.67 : x
  2. Step 2: Convert to fraction form
    7,787.58/10,746.51 = 4,430.67/x
  3. Step 3: Cross multiply
    7,787.58x = 10,746.51 × 4,430.67
  4. Step 4: Simplify right side
    7,787.58x = 47,614,239.46
  5. Step 5: Solve for x
    x = 47,614,239.46/7,787.58
  6. Step 6: Final answer
    x = 6,114.13

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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.